PPC Groups are gazetted in PPC By-Laws 1989 in order to control such as different treatment and handling for each of UN No in port limits. PPC Group 1 - Dangerous goods under this group can only be landed at such places and under such conditions as the Commission may impose from time to time. Vessels conveying such dangerous goods unless otherwise agreed by the Commission, are prohibited from coming alongside any of the Commission's berths. PPC Group 2 - Vessels conveying dangerous goods under this group may come alongside the Commission's berths but the dangerous goods must be in direct transit in the open from land to vessels and vice versa and shall not be accepted into the Commission's warehouses for storage unless otherwise agreed by the Commission. PPC Group 3 - Dangerous goods under this group may be stored at such places as may be authorised by the Commission depending on space availability and adequacy of preparatory faciliites.